Mason jar lid



FIG. 1 is a bottom rear perspective view of a mason jar lid showing ournew design;

FIG. 2 is a bottom front perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a left side elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The dashed broken lines and unshaded areas within them in the figuresillustrate portions of the mason jar lid that form no part of theclaimed design.

CLAIM The ornamental design for a mason jar lid, as shown and described.